Enrollment
86
High
DISTRICT 109 · STATE 410
SCHOOL COMMUNITY·ONAGA-HAVENSVILLE-WHEATON·NCES 201017000595
Onaga Senior High
500 High Street, Onaga, KS 66521 · (785) 889-4251 · Pottawatomie County
GRADES 09–12HIGH43-RURALREGULAR SCHOOL86 STUDENTS
A-
allk12 Grade
Scored higher than 79% of Kansas public high schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Kansas public high schools
Student : Teacher
9.9:1
9 FTE teachers
DISTRICT 12.4:1 · STATE 11.9:1
Free / Reduced Lunch
36%
31 students
DISTRICT 45% · STATE 51%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 20 | 23% |
| Grade 10 | 21 | 24% |
| Grade 11 | 27 | 31% |
| Grade 12 | 18 | 21% |
Student demographics
17%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 12% · STATE 58% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Onaga-Havensville-Wheaton. Attendance zones can vary; confirm enrollment with the district.
Test scores
KAP 2024-25 . % Meeting + ExceedingEnglish Language Arts
52.6%
KS avg 44.5%
Math
57.9%
KS avg 38.8%
What this means: On the KAP, Kansas's statewide test, about 53 of every 100 students at this school read and write at grade level and about 58 of 100 do math at grade level. Across all Kansas schools, those numbers are about 45 and 39.
KAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 52.6% | 57.9% |
| 2023-24 | 30.8% | 42.3% |
% Meeting + Exceeding, all students and all tested grades. Kansas set new KAP cut scores in spring 2025, so results from 2023-24 and earlier are not comparable with later years.
Source: KAP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
38.5%
composite math + reading, all grades
Predicted
45.0%
based on KS schools with similar FRL share
Beats by
-6.5pp
below demographic expectation
What this means: About 38% of students here test proficient in math and reading, compared with the roughly 45% typical for Kansas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Kansas's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Onaga Senior High
Onaga Senior High's state test result (38.5% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Onaga Senior High this school | 86 | 36.0% | 38.5% |
| Lebo High Lebo | 117 | 35.9% | 43.2% |
| Pretty Prairie High Pretty Prairie | 82 | 34.1% | 23.1% |
| Norwich High Norwich | 82 | 37.8% | 31.1% |
| South Haven High South Haven | 120 | 38.3% | 19.7% |
| Trego Community High WaKeeney | 113 | 38.9% | 28.9% |
Matched among Kansas high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Onaga Senior High ranks
Among high schools| Measure | This school | In Kansas |
|---|---|---|
| Enrollment ranked largest first | 86 | #273 of 332 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
86
+9 (+12%) vs 2020
-30% since 1990-91, when it was 122
Student : Teacher
9.9:1
was 6.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 86 | 8.7 | 9.9:1 | 36% (31) |
| 2023-24 | 92 | 7.3 | 12.6:1 | 36% (33) |
| 2022-23 | 94 | 7.9 | 12.0:1 | 44% (41) |
| 2020-21 | 77 | 12 | 6.4:1 | 52% (40) |
| 2017-18 | 79 | 9.9 | 8.0:1 | 53% (42) |
| 2015-16 | 93 | 9 | 10.3:1 | 37% (34) |
| 2010-11 | 115 | 9 | 12.8:1 | 43% (49) |
| 2000-01 | 136 | 12 | 11.3:1 | 26% (35) |
| 1990-91 | 122 | 12 | 10.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Onaga Senior High.
Since 2017-18: students up 9% (79 to 86); teachers down 12% (9.9 to 8.7).
About Onaga Senior High
Onaga Senior High operates as a small high school in Onaga, Kansas. Classes run from 9 through 12, and the school has 86 students. The average for high schools in Kansas is about 410 students, so this school is 79% smaller than average.
Besides Onaga Senior High, Onaga-Havensville-Wheaton runs 2 other schools. The district enrolls 326 students.
White students are the large majority at Onaga Senior High, with 91% of enrollment. The next largest groups are 5% Hispanic and 3% multiracial. The White share in Pottawatomie County as a whole is similar, at about 89%. The chance that two students picked at random at Onaga Senior High belong to different racial or ethnic groups, known as the diversity index, is 17%.
The school reports 8.7 full-time-equivalent teachers, which works out to about 9.9 students per teacher. The 11.9:1 average for high schools in Kansas is higher than this school's figure. The free or reduced-price lunch share, often used to gauge student poverty, is 36%.
The allk12 Grade for Onaga Senior High is A-. Compared with Kansas public high schools, the school scored higher than 79% on a mix of test scores, poverty-adjusted results, and recent trend.
On a poverty-adjusted basis, Onaga Senior High falls in the middle 80% of Kansas schools: 38.5% actual against 45.0% predicted.
County data help place the school in context: in Pottawatomie County, median household income is about $92,325, a bachelor's degree or higher is held by about 38% of adults, and the poverty rate is about 4%. The public schools of Pottawatomie County number 16 and enroll about 4,283.
The school nearest to Onaga Senior High is Onaga Middle School, at a distance of less than a tenth of a mile. Within five miles of Onaga Senior High, there are 2 other public schools. Compared with its nearest neighbors, Onaga Senior High ranks 8th of 9 on average proficiency.
The school's setting, by NCES definition, is Rural: Remote: in rural territory far from an urban area.
From 2020-21 to 2024-25, Onaga Senior High went from 77 students to 86. The student-to-teacher ratio rose from 6.4:1 in 2020-21 to 9.9:1 in 2024-25.
The Onaga Senior High community page is open for posts about school events, clubs, and volunteer needs. Posting is open to anyone connected to the school.
Pottawatomie County at a glance
View full county profilePopulation
26,204
Census ACS
Median income
$92,325
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
16
4,283 students
Quick facts
Related schools
Other schools in Onaga-Havensville-Wheaton
- Onaga ElemElementary · 164 students
- Onaga Middle SchoolMiddle · 76 students
Other schools in Onaga
- Onaga ElemElementary · 164 students
- Onaga Middle SchoolMiddle · 76 students
Nearby schools
- Onaga Middle School0.0 mi · 76
- Onaga Elem0.1 mi · 164
- Westmoreland Elem14.9 mi · 126
- Centralia High16.2 mi · 145
- Centralia Elem16.2 mi · 197
- Rock Creek Middle School19.6 mi · 415
Frequently asked questions
About Onaga Senior HighHow large is Onaga Senior High?
Onaga Senior High enrolls approximately 86 students in grades 09-12.
Is Onaga Senior High an elementary, middle, or high school?
Onaga Senior High is a high school covering grades 09-12.
How many teachers does Onaga Senior High have?
Onaga Senior High employs 9 FTE teachers, for a student-to-teacher ratio of 9.9:1.
What is the racial breakdown of students at Onaga Senior High?
At Onaga Senior High, the student body is approximately 91% White, 5% Hispanic, 3% Two or more.
Who oversees Onaga Senior High?
Onaga Senior High is overseen by Onaga-Havensville-Wheaton in Pottawatomie County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.